Patent US3406838A successfully refreshed from Google Patents.
US3406838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube assembling apparatus
Assignee: Hudson Engineering Corp
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Filing: 1966-10-19
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Granted: 1968-10-22
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Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:08
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/08; B21D53/085; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
APPARATUS FOR ASSEMBLING TUBES OR THE LIKE IN PREDETERMINED SPACED APART, SIDE-BY-SIDE RELATION, COMPRISING A FRAME, A FIRST SET OF LONGITUDINALLY SPACED APART RACKS MOUNTED ON THE FRAME FOR LATERAL MOVEMENT INTO AND OUT OF A LOADING AREA TO ONE SIDE OF THE FRAME, EACH RACK OF THE FIRST SET HAVING A SERIES OF RECESSES EXTENDING THEREACROSS FOR SUPPORTING A LOWER ROW OF TUBES EXTENDING LONGITUDINALLY BETWEEN THEM, A SECOND SET OF LONGITUDINALLY SPACED APART RACKS MOUNTED ON THE FRAME FOR LATERAL MOVEMENT INTO AND OUT OF THE LOADING AREA AND ABOVE THE FIRST SET OF RACKS AND TUBES SUPPORTED THEREON, EACH RACK OF THE SECOND SET ALSO HAVING A SERIES OF RECESSES EXTENDING THEREACROSS FOR SUPPORTING AN UPPER ROW OF TUBES EXTENDING LONGITUDINALLY BETWEEN THEM, AND MEANS FOR FIRST MOVING SAID FIRST SET OF RACKS INTO SAID LOADING AREA TO RECEIVE THE LOWER ROW OF TUBES, NEXT MOVING SAID SECOND SET OF RACKS INTO SAID LOADING AREA TO RECEIVE THE UPPER ROW OF TUBES, AND THEN MOVING BOTH SETS OF RACKS BACK OUT OF THE LOADING AREA UPON REMOVAL OF THE ASSEMBLED TUBES THEREFROM.
Claim 2
Dependent Claim
185 words
APPARATUS FOR ASSEMBLING TUBES OR THE LIKE IN PREDETERMINED SPACED APART, SIDE-BY-SIDE RELATION, COMPRISING A FRAME, A FIRST SET OF LONGITUDINALLY SPACED APART RACKS MOUNTED ON THE FRAME FOR LATERAL MOVEMENT INTO AND OUT OF A LOADING AREA TO ONE SIDE OF THE FRAME, EACH RACK OF THE FIRST SET HAVING A SERIES OF RECESSES EXTENDING THEREACROSS FOR SUPPORTING A LOWER ROW OF TUBES EXTENDING LONGITUDINALLY BETWEEN THEM, A SECOND SET OF LONGITUDINALLY SPACED APART RACKS MOUNTED ON THE FRAME FOR LATERAL MOVEMENT INTO AND OUT OF THE LOADING AREA AND ABOVE THE FIRST SET OF RACKS AND TUBES SUPPORTED THEREON, EACH RACK OF THE SECOND SET ALSO HAVING A SERIES OF RECESSES EXTENDING THEREACROSS FOR SUPPORTING AN UPPER ROW OF TUBES EXTENDING LONGITUDINALLY BETWEEN THEM, AND MEANS FOR FIRST MOVING SAID FIRST SET OF RACKS INTO SAID LOADING AREA TO RECEIVE THE LOWER ROW OF TUBES, NEXT MOVING SAID SECOND SET OF RACKS INTO SAID LOADING AREA TO RECEIVE THE UPPER ROW OF TUBES, AND THEN MOVING BOTH SETS OF RACKS BACK OUT OF THE LOADING AREA UPON REMOVAL OF THE ASSEMBLED TUBES THEREFROM.
References Cited (Backward Citations)
US2850795A
Cited
US3089226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |